49478724 has 36 divisors (see below), whose sum is σ = 127983856. Its totient is φ = 16108848.

The previous prime is 49478719. The next prime is 49478753. The reversal of 49478724 is 42787494.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 49478724.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14434 + ... + 17529.

Almost surely, 2^49478724 is an apocalyptic number.

It is an amenable number.

49478724 is an abundant number, since it is smaller than the sum of its proper divisors (78505132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49478724 is a wasteful number, since it uses less digits than its factorization.

49478724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32016 (or 32011 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 49478724 is about 7034.1114577465. Note that the first 3 decimals coincide. The cubic root of 49478724 is about 367.1184099699.

The spelling of 49478724 in words is "forty-nine million, four hundred seventy-eight thousand, seven hundred twenty-four".